Finding the Fourth Proportional to 16,710.52, 23,059.82 and 9,992.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,710.52 : 23,059.82 = 9,992.18 : x
2. Step 2: Convert to fraction form
   16,710.52/23,059.82 = 9,992.18/x
3. Step 3: Cross multiply
   16,710.52x = 23,059.82 × 9,992.18
4. Step 4: Simplify right side
   16,710.52x = 230,417,872.21
5. Step 5: Solve for x
   x = 230,417,872.21/16,710.52
6. Step 6: Final answer
   x = 13,788.79